87026123 has 2 divisors, whose sum is σ = 87026124. Its totient is φ = 87026122.

The previous prime is 87026119. The next prime is 87026143. The reversal of 87026123 is 32162078.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87026123 - 2² = 87026119 is a prime.

It is a super-2 number, since 2×87026123² = 15147092168822258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87026113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43513061 + 43513062.

It is an arithmetic number, because the mean of its divisors is an integer number (43513062).

Almost surely, 2^87026123 is an apocalyptic number.

87026123 is a deficient number, since it is larger than the sum of its proper divisors (1).

87026123 is an equidigital number, since it uses as much as digits as its factorization.

87026123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 87026123 is about 9328.7792877739. The cubic root of 87026123 is about 443.1491072550.

The spelling of 87026123 in words is "eighty-seven million, twenty-six thousand, one hundred twenty-three".